279334900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1423}}^1$

素因数の和:1601

約数の個数: 72

約数和(自身を含む): 657569024

約数和(自身を除く): 378234124

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 151, 260, 302, 325, 604, 650, 755, 1300, 1423, 1510, 1963, 2846, 3020, 3775, 3926, 5692, 7115, 7550, 7852, 9815, 14230, 15100, 18499, 19630, 28460, 35575, 36998, 39260, 49075, 71150, 73996, 92495, 98150, 142300, 184990, 196300, 214873, 369980, 429746, 462475, 859492, 924950, 1074365, 1849900, 2148730, 2793349, 4297460, 5371825, 5586698, 10743650, 11173396, 13966745, 21487300, 27933490, 55866980, 69833725, 139667450, 279334900]

約数ペア:

[(1, 279334900), (2, 139667450), (4, 69833725), (5, 55866980), (10, 27933490), (13, 21487300), (20, 13966745), (25, 11173396), (26, 10743650), (50, 5586698), (52, 5371825), (65, 4297460), (100, 2793349), (130, 2148730), (151, 1849900), (260, 1074365), (302, 924950), (325, 859492), (604, 462475), (650, 429746), (755, 369980), (1300, 214873), (1423, 196300), (1510, 184990), (1963, 142300), (2846, 98150), (3020, 92495), (3775, 73996), (3926, 71150), (5692, 49075), (7115, 39260), (7550, 36998), (7852, 35575), (9815, 28460), (14230, 19630), (15100, 18499)]